gdb/testsuite/gdb.dwarf2/dw2-inline-header-lbls.c

   1 /* Copyright 2020-2021 Free Software Foundation, Inc.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16 /* Used to insert labels with which we can build a fake line table.  */
  17 #define LL(N) asm ("line_label_" #N ": .globl line_label_" #N)
  18
  19 volatile int var;
  20 volatile int bar;
  21
  22 /* Generate some code to take up some space.  */
  23 #define FILLER do { \
  24     var = 99;       \
  25 } while (0)
  26
  27 int
  28 main ()
  29 {                                       /* main prologue */
  30   asm ("main_label: .globl main_label");
  31   LL (1);       // F1, Ln 16
  32   FILLER;
  33   LL (2);       // F1, Ln 17
  34   FILLER;
  35   LL (3);       // F2, Ln 21
  36   FILLER;
  37   LL (4);       // F2, Ln 22 // F1, Ln 18, !S
  38   FILLER;
  39   LL (5);       // F1, Ln 19 !S
  40   FILLER;
  41   LL (6);       // F1, Ln 20
  42   FILLER;
  43   LL (7);
  44   FILLER;
  45   return 0;                             /* main end */
  46 }